28408268

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{797}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 60775680

約数和(自身を除く): 32367412

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 67, 76, 133, 134, 266, 268, 469, 532, 797, 938, 1273, 1594, 1876, 2546, 3188, 5092, 5579, 8911, 11158, 15143, 17822, 22316, 30286, 35644, 53399, 60572, 106001, 106798, 212002, 213596, 373793, 424004, 747586, 1014581, 1495172, 2029162, 4058324, 7102067, 14204134, 28408268]

約数ペア:

[(1, 28408268), (2, 14204134), (4, 7102067), (7, 4058324), (14, 2029162), (19, 1495172), (28, 1014581), (38, 747586), (67, 424004), (76, 373793), (133, 213596), (134, 212002), (266, 106798), (268, 106001), (469, 60572), (532, 53399), (797, 35644), (938, 30286), (1273, 22316), (1594, 17822), (1876, 15143), (2546, 11158), (3188, 8911), (5092, 5579)]